What Is Sustainable

 Clive Finlayson is especially fascinated by two things, Neanderthals and birds.   Since 1989, he has been excavating caves in Gibral...

 I’ve long been interested in the megafauna extinctions of Pleistocene North America.   A number of books endorse Paul Martin’s “Ple...

Doug Peacock, the grizzly bear expert, lives near the Yellowstone River in Montana.   In 1968, the largest collection of Clovis artifact...